ocr: d T - - inertes 38 * X *M - 5 IBMISENSR et n TeBO 8X peshe BRiM0x Sel nranes - corxs 4 Ussitesia. MOenE STesE MPAXE Foure 2. Sandwell Engineering's Trame relay WAN connections are: provided by IBM'S Global: Net- work Services. E-mail addressed to locations outside of Sandwell's WAN passes through firewalls provided by IBM,and over the internet, to The Electric Mail Co.s site, which hosts Sandwell's POP3: based messaging system.